phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9c2a6d96a44e53c6b955d4b1f07c16cd' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('9c2a6d96a44e53c6b955d4b1f07c16cd', -1, 1765594807, 1765594807, 'd849d89e', 3, 0, 0)

Line : 187
File : sessions.php